🔬 Science & Engineering
Science & Engineering Calculators
Physics and engineering helpers for students and makers.
28 tools in this category
Showing 28 of 28
- Ohm's Law CalculatorSolve for voltage, current, or resistance (V = I × R).
- Electrical Power CalculatorCompute power P = V × I (and related energy over time).
- Velocity CalculatorAverage velocity from distance and time (v = d / t).
- Density CalculatorDensity = mass / volume.
- Acceleration CalculatorAcceleration from change in velocity over time.
- Work & Kinetic EnergyWork W = F × d and kinetic energy KE = ½mv².
- Kinetic Energy CalculatorCompute KE = ½mv² and solve for mass or velocity when KE is known.
- Speed / Distance / TimeSolve for speed, distance, or time given the other two.
- Force (F = ma)Newton's second law — solve for force, mass, or acceleration.
- Pressure CalculatorPressure = force / area, with optional unit hints.
- Ohm's Law SolverSolve for voltage, current, or resistance (and power) given any two.
- Density CalculatorDensity = mass / volume.
- Electrical Power (P = VI)Compute electrical power from voltage and current.
- Wavelength CalculatorWavelength from frequency (default wave speed = speed of light).
- Freefall CalculatorTime, velocity, or height for freefall under constant g.
- Resistor Series / ParallelEquivalent resistance for series or parallel resistor networks.
- Momentum CalculatorLinear momentum p = m · v.
- Capacitor Energy CalculatorEnergy stored in a capacitor: E = ½ C V².
- Wire Gauge (Rough)Very rough AWG suggestion from amp load for short copper/aluminum runs.
- Projectile Motion CalculatorRange, max height, flight time, and trajectory chart for ideal projectile motion.
- Ohm's Law TriangleSolve for V, I, or R from any two values — classic triangle helper.
- Ideal Gas Law SolverSolve PV = nRT for P, V, n, or T (R in L·atm/(mol·K)).
- Wavelength ↔ FrequencyConvert between wavelength and frequency using c = 3×10⁸ m/s.
- Half-Life CalculatorRemaining quantity after radioactive (or any exponential) decay.
- Snell's Law CalculatorRefraction angle from n₁, θ₁, and n₂ — flags total internal reflection.
- Thin Lens EquationImage distance and magnification from focal length and object distance.
- Capacitor Series / ParallelEquivalent capacitance for series or parallel networks.
- Doppler Shift CalculatorObserved frequency with moving source and/or observer (sound in air).